Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors in Kalumbang, Indonesia, where the tropical Aw climate brings significant sun exposure year-round. As UV levels often peak between 10 AM to 2 PM, awareness of these fluctuations can safeguard against skin damage and promote long-term skin health. With UV Index values soaring up to 10 during midday, it's vital to take preventive measures to avoid sunburn and other skin-related issues. Stay informed and protect yourself from the sun's harmful rays while enjoying the beautiful Indonesian landscape!
In the early hours of the day, the UV Index starts low, peaking at 1 at 07:00 before gradually rising as the sun climbs higher in the sky. By 10:00, it reaches a noteworthy 8, escalating to its maximum level of 10 at 11:00 and 12:00—the prime hours for sun exposure. As the afternoon progresses, the index begins to decline: 9 at 13:00, followed by a drop to 7 at 14:00. The late afternoon sees it further decrease, with values falling to 4 at 15:00 and down to 1 by 17:00. Finally, the UV Index falls to 0 after 18:00, marking the end of a sun-drenched day. Keep in mind, when the UV Index is high, it's crucial to protect your skin!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 2 | low | 45 min |
09:00 | 5 | moderate | 30 min |
10:00 | 8 | very high | 15 min |
11:00 | 10 | very high | 15 min |
12:00 | 10 | very high | 15 min |
13:00 | 9 | very high | 15 min |
14:00 | 7 | high | 25 min |
15:00 | 4 | moderate | 30 min |
16:00 | 2 | low | 45 min |
17:00 | 1 | low | 45 min |
18:00 | 0 | low | 45 min |
19:00 | 0 | low | 45 min |
The UV Index reveals significant seasonal changes in sun exposure, with extreme levels occurring consistently from January through November. The highest risk months are February, March, July, August, and September, all averaging a UV Index of 16 or higher, resulting in a burn time of just 10 minutes. Even in June, while the Index lowers slightly to 10, the exposure remains categorized as very high, allowing for a bit more time before burning at 15 minutes. It is crucial for both residents and visitors to prioritize sun safety throughout the year, particularly between January and November, by wearing protective clothing, applying high-SPF sunscreen regularly, and seeking shade during peak sunlight hours.
UV Risk Categories
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Surabaya UVI | 13 | 15 | 14 | 12 | 12 | 10 | 11 | 12 | 14 | 13 | 13 | 13 |
Bekasi UVI | 14 | 16 | 16 | 14 | 11 | 10 | 10 | 11 | 13 | 15 | 14 | 13 |
Jakarta UVI | 14 | 16 | 16 | 14 | 11 | 10 | 10 | 11 | 13 | 15 | 14 | 13 |
Medan UVI | 13 | 15 | 15 | 15 | 14 | 12 | 12 | 13 | 14 | 14 | 13 | 12 |
Bandung UVI | 15 | 16 | 16 | 15 | 12 | 11 | 11 | 12 | 14 | 15 | 15 | 14 |
Kalumbang | 15 | 16 | 16 | 14 | 12 | 10 | 11 | 13 | 15 | 15 | 15 | 14 |